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UAV Navigation in depth: Flight Envelope
In aerodynamics, the flight envelope defines operational limits for an aerial platform with respect to maximum speed and load factor given a particular atmospheric density. The flight envelope is the region within which an aircraft can operate safely.
UAV Navigation in depth: External Datalink Selection
A datalink is a means of transmitting information from one point to another. When the transmission is accomplished using a wireless means, the datalink may also be referred to as a 'radio link' or 'radio modem'.
UAV Navigation in depth: Inertial Sensors
The technology behind the sensors involved in inertial navigation has improved over the last few years, with precision increasing whilst both size and cost have reduced.
UAV Navigation in depth: Inertial Navigation
The navigation function forms part of the Guidance, Navigation and Control (GNC) system and consists of calculating a platform's location and velocity (also known as the state vector), as well as its orientation (or attitude).
UAV Navigation in depth: Precision Laboratory Equipment For Testing and Calibration of Air Data System
Air data information is a key issue for use onboard aircraft in order to estimate current altitude and airspeed. Such flight parameters may be measured using a variety of different sensors.
UAV Navigation in depth: GPS Week Overflow
The Global Positioning System (GPS) system is designed so that from any point on the surface of the planet at least four satellites of the GPS constellation are always visible.
UAV Navigation in depth: Autorotation for Helicopter UAVs
One of the basic and most important skills that any human helicopter pilot learns and must practise on a regular basis is the ability to autorotate safely.
UAV Navigation in depth: Custom Gauges and Charts in Visionair

In the very early stages of aviation, control of an aircraft was based purely on visual feedback and sensor

UAV Navigation in depth: Altimeters
Altimeters are devices designed to calculate the height of an aircraft above the surface directly below it. This height may be Above Ground Level (AGL) or Above Sea Level (ASL).
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UAV Navigation is a privately-owned company that has specialized in the design of flight control solutions for Unmanned Aerial Vehicles (UAVs) since 2004. It is used by a variety of Tier 1 aerospace manufacturers in a wide range of UAV - also known as Remotely Piloted Aircraft Systems (RPAS) or 'drones'. These include high-performance tactical unmanned planes, aerial targets, mini-UAVs and helicopters.